#include<iostream>
#include<bits/stdc++.h>
using namespace std;
int main(){
	double a,b,c,d,e;
	cin>>a>>b>>c;
	d=(a>b)?a:b;
	e=(a>c)?a:c;
	d=(d>e)?d:e;
	cout<<d;
	return 0;
}
